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IBASE Technology MB875 User Manual

Socket 479 pentium m with intel 852gm chipset custom motherboard for 1u rackmount
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MB875
®
Socket 479 Pentium
M with
®
Intel
852GM Chipset
Custom Motherboard
for 1U Rackmount
USER'S MANUAL
Version 1.0

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Summary of Contents for IBASE Technology MB875

  • Page 1 MB875 ® Socket 479 Pentium M with ® Intel 852GM Chipset Custom Motherboard for 1U Rackmount USER’S MANUAL Version 1.0...
  • Page 2 Intel and Pentium M are registered trademarks of Intel Corporation. Microsoft Windows is a registered trademark of Microsoft Corporation. Winbond is a registered trademark of Winbond Electronics Corporation. All other product names or trademarks are properties of their respective owners. MB875 User’s Manual...

  • Page 3: Table Of Contents

    Board Dimensions ............... 4 Installations ............5 Installing the CPU ............... 6 Installing the Memory ............7 Setting the Jumpers ............. 8 Connectors on MB875 ............13 BIOS Setup ............21 Drivers Installation ........44 Intel Chipset Software Intallation Utility ......45 VGA Drivers Installation ..........
  • Page 4 The MB875 Motherboard The MB875 Edge Connectors MB875 User’s Manual...

  • Page 5: Introduction

    INTRODUCTION Introduction Product Description The MB875 is a versatile motherboard with four Gigabit Ethernets that is designed for SOHO network security applications. Optimized for network performance, this scalable platform is based on the Intel(R) 852GM chipset and supports Intel(R) Pentium(R) M / Celeron(R) M processors of up to 2.0GHz speeds with front size bus of 400MHz.

  • Page 6: Checklist

    INTRODUCTION Checklist Your MB875 package should include the items listed below. • The MB875 Pentium ® M Mini-ITX motherboard • This User’s Manual • 1 CD containing chipset drivers and flash memory utility • Option Cable VGA4K USB2K-4 PK1-2K PK1K PS2D MB875 User’s Manual...

  • Page 7: Mb875 Specifications

    Compact flash type II socket x1 for CF on IDE2 bus 10 pins, 2.54mm, pin-header x1 for PS/2 KB/mouse 2 pins, 2.54mm, pin-header x 1 for Reset button. ATX power connector Power Connector PCI (33MHz/32-bit) slot x1 Expansion Slots Mini PCI x 1 Board size MB875 User’s Manual...

  • Page 8: Board Dimensions

    INTRODUCTION Board Dimensions MB875 User’s Manual...

  • Page 9: Installations

    INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the MB875 in order to set up a workable system. The topics covered are: Installing the CPU ................. 6 Installing the Memory ................7 Setting the Jumpers ................8 Connectors on MB875 .................

  • Page 10: Installing The Cpu

    INSTALLATIONS Installing the CPU ® The MB875 board supports a Socket 479 processor socket for Intel ® ® Pentium M or Celeron M processors. The processor socket comes with a screw to secure the processor. As shown in the left picture below, loosen the screw first before inserting the processor.

  • Page 11: Installing The Memory

    INSTALLATIONS Installing the Memory The MB875 board supports one DDR memory sockets for a maximum total memory of 2GB in DDR memory type. The memory module capacities supported are 128MB, 256MB, 512MB and 1GB. The ® following table lists the supported DDR DIMM configurations. Intel 852GM supports configurations defined in the JEDEC DDR DIMM specification only.

  • Page 12: Setting The Jumpers

    INSTALLATIONS Setting the Jumpers Jumpers are used on MB875 to select various settings and features according to your needs and applications. Contact your supplier if you have doubts about the best configuration for your needs. The following lists the connectors on MB875 and their respective functions.
  • Page 13 INSTALLATIONS Jumper Locations on MB875 Jumpers on MB875 ................Page JP1: Clear CMOS Contents ..............10 JP2: Watchdog Timer & LAN1/LAN2 Bypass Settings ..... 10 JP4: Compact Flash Slave/Master ............10 JP5: Processor Operating Frequency ........... 10 JP7: Power ON Setting ................ 12...
  • Page 14 Watchdog timer Pin 1-2 & 3-4 System will reboot upon the timeout of Short Watchdog timer. (Default) JP4: Compact Flash Slave/Master Compact Flash Slave Open Master Close JP5: Processor Operating Frequency CPU Operating Frequency 133MHz Open MB875 User’s Manual...
  • Page 15 INSTALLATIONS 100MHz (default) Close MB875 User’s Manual...
  • Page 16 INSTALLATIONS JP7: Power ON Setting Setting Function Pin 1-2 Power on by system Short/Closed button Pin 2-3 Power on by power Short/Closed supply AC on MB875 User’s Manual...

  • Page 17: Connectors On Mb875

    INSTALLATIONS Connectors on MB875 The connectors on MB875 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB875 and their respective functions. Connector Locations on MB875 ............14 J1: VGA CRT Connector ..............

  • Page 18: Connector Locations On Mb875

    INSTALLATIONS Connector Locations on MB875 Connectors on MB875 ..............Page J1: VGA CRT Connector ..............15 J2: COM2 Serial Port ................15 J4: USB Connector ................15 J5: SATA HDD Connector ..............16 J6: SATA HDD Connector ..............16 J7: COM3 Serial Port ................16 J8: COM4 Serial Port ................

  • Page 19: J1: Vga Crt Connector

    DTR, Data terminal ready Ground DSR, Data set ready RTS, Request to send CTS, Clear to send RI, Ring indicator No Connect. J4: USB Connector Signal Name Pin # Pin # Signal Name Ground USB2- USB3+ USB2+ USB3- Ground MB875 User’s Manual...

  • Page 20: J5: Sata Hdd Connector

    Pin # Signal Name (RS-232) DCD, Data carrier detect RXD, Receive data TXD, Transmit data DTR, Data terminal ready Ground DSR, Data set ready RTS, Request to send CTS, Clear to send RI, Ring indicator No Connect. MB875 User’s Manual...

  • Page 21: J8: Com4 Serial Port

    J9: Case Open Detect Header Pin # Signal Name Case Open Detect Ground J10: ATX Power Connector Signal Name Pin # Pin # Signal Name 3.3V 3.3V -12V 3.3V Ground Ground PS-ON Ground Ground Ground Ground Ground Power good 5VSB +12V MB875 User’s Manual...

  • Page 22: J11: Keyboard / Mouse Connector

    SW1: Digital I/O Input Pin Switch LED1: Digital IO Output LED LED2: HDD / Power LED Red: HDD LED Green: Power LED CN2, CN3, CN4, CN5: LAN Connectors CN2: LAN1 CN3: LAN2 CN4: LAN3 CN5: LAN4 CN6: USB Connector MB875 User’s Manual...

  • Page 23: Cn7: Com1 Serial Port

    FAN2/FAN3: System Fan Power Connector FAN2 is a 3-pin header for system fan power. The fan must be a 12V (500mA) fan. Pin # Signal Name Ground +12V Rotation detection CN8: Compact Flash Connector CN8 uses the IDE2 channel. MB875 User’s Manual...

  • Page 24: Ide1, Ide2: Primary And Secondary Ide Connectors

    Host data 15 Ground DRQ0 Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACK0 Ground IRQ14 No connect IDE2 Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activity Ground Ground N.C. MB875 User’s Manual...

  • Page 25: Bios Setup

    PNP/PCI Configurations .............. 40 PC Health Status ................41 Frequency/Voltage Control ............42 Load Fail-Safe Defaults ..............43 Load Optimized Defaults ............. 43 Set Supervisor/User Password ............43 Save & Exit Setup ................ 43 Exit Without Saving ..............43 MB875 User’s Manual...

  • Page 26: Bios Introduction

    <PgUp> and <PgDn> keys to change entries, <F1> for help and <Esc> to quit. When you enter the Setup utility, the Main Menu screen will appear on the screen. The Main Menu allows you to select from various setup functions and exit choices. MB875 User’s Manual...
  • Page 27 These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability. Changing the defaults could cause the system to become unstable and crash in some cases. MB875 User’s Manual...

  • Page 28: Standard Cmos Setup

    Sun to Sat Month : 1 to 12 Date : 1 to 31 Year : 1999 to 2099 To set the date, highlight the “Date” field and use the PageUp/ PageDown or +/- keys to set the current time. MB875 User’s Manual...
  • Page 29 (HD < 528MB) (HD > 528MB and supports Logical Block Addressing) Large (for MS-DOS only) Auto Remarks: The main board supports two serial ATA ports and are represented in this setting as IDE Channel 2 / 3 Master. MB875 User’s Manual...
  • Page 30 The system boot will not be halted for a disk error; it will stop for all other errors. All, But Disk/Key The system boot will not be halted for a key- board or disk error; it will stop for all others. MB875 User’s Manual...

  • Page 31: Advanced Bios Features

    By default, this field is disabled. Virus Warning If this option is enabled, an alarm message will be displayed when trying to write on the boot sector or on the partition table on the disk, which is typical of the virus. MB875 User’s Manual...
  • Page 32 This allows you to activate the NumLock function after you power up the system. Gate A20 Option This field allows you to select how Gate A20 is worked. Gate A20 is a device used to address memory above 1 MB. MB875 User’s Manual...
  • Page 33 OS Select for DRAM > 64MB This option allows the system to access greater than 64MB of DRAM memory when used with OS/2 that depends on certain BIOS calls to access memory. The default setting is Non-OS/2. MB875 User’s Manual...
  • Page 34 If you set this feature to Disabled, the BIOS will not report the missing floppy drive to Win95/98. Small Logo (EPA) Show The EPA logo appears at the right side of the monitor screen when the system is boot up. The default setting is Disabled. MB875 User’s Manual...

  • Page 35: Advanced Chipset Features

    This option allows you to insert a delay between the RAS (Row Address Strobe) and CAS (Column Address Strobe) signals. This delay occurs when the SDRAM is written to, read from or refreshed. Reducing the delay improves the performance of the SDRAM. MB875 User’s Manual...
  • Page 36 Select Enabled to support compliance with PCI specification version 2.1. Delay Prior to Thermal This field activates the CPU thermal function after the systems boots for the set number of minutes. The options are 16Min and 64Min. MB875 User’s Manual...
  • Page 37 Host cycles that hit the aperture range are forwarded to the AGP without any translation. The default setting is 128M. On-Chip VGA The default setting is Enabled. On-Chip Frame Buffer Size The default setting is 8MB. The options available include 1MB, 4MB, 8MB and 16MB. MB875 User’s Manual...

  • Page 38: Integrated Peripherals

    PWRON After PWR Fail Phoenix - AwardBIOS CMOS Setup Utility Second IO Device ITEM HELP Onboard Serial Port 3 Menu Level > Serial Port 3 Use IRQ IRQ11 Onboard Serial Port 4 Serial Port 4 Use IRQ IRQ10 MB875 User’s Manual...
  • Page 39 The options for this field are Enabled and Disabled. By default, this field is set to Disabled. USB Mouse Support The options for this field are Enabled and Disabled. By default, this field is set to Disabled. MB875 User’s Manual...
  • Page 40 These fields allow you to select the onboard serial and parallel ports and their addresses. The default values for these ports are: Serial Port 1 3F8/IRQ4 Serial Port 2 2F8/IRQ3 Serial Port 3 3E8/IRQ11 Serial Port 4 2E8/IRQ10 MB875 User’s Manual...

  • Page 41: Power Management Setup

    Min. Power Saving Minimum power management Max. Power Saving Maximum power management. User Define Each of the ranges is from 1 min. to 1hr. Except for HDD Power Down which ranges from 1 min. to 15 min. MB875 User’s Manual...
  • Page 42 When the system enters Doze mode, the CPU clock runs only part of the time. You may select the percent of time that the clock runs. Wake up by PCI Card By default, this field is disabled. MB875 User’s Manual...
  • Page 43 When an I/O device wants to gain the attention of the operating system, it signals this by causing an IRQ to occur. When the operating system is ready to respond to the request, it interrupts itself and performs the service. MB875 User’s Manual...

  • Page 44: Reset Configuration Data

    This field allows you to set whether or not MPEG ISA/VESA VGA cards can work with PCI/VGA. When this field is enabled, a PCI/VGA can work with an MPEG ISA/VESA VGA card. When this field is disabled, a PCI/VGA cannot work with an MPEG ISA/VESA card. MB875 User’s Manual...

  • Page 45: Pc Health Status

    This function can help prevent damage to the system that is caused by overheating. Smart Fan Temperature This field enables or disables the smart fan feature. At a certain temperature, the fan starts turning. Once the temperature drops to a certain level, it stops turning again. MB875 User’s Manual...

  • Page 46: Auto Detect Pci Clk

    This field enables or disables the auto detection of the PCI clock. Spread Spectrum Modulated This field sets the value of the spread spectrum. The default setting is Disabled. This field is for CE testing use only MB875 User’s Manual...

  • Page 47: Load Fail-Safe Defaults

    Select this option to exit the Setup utility without saving the changes you have made in this session. Typing “Y” will quit the Setup utility without saving the modifications. Typing “N” will return you to Setup utility. MB875 User’s Manual...

  • Page 48: Drivers Installation

    Intel PRO LAN Drivers Installation 錯誤! 尚未定義書籤。 SATA Drivers Installation....錯誤! 尚未定義書籤。 IMPORTANT NOTE: After installing your Windows operating system (Windows 98SE/ME/2000/XP), you must install first the Intel Chipset Software Installation Utility before proceeding with the drivers installation. MB875 User’s Manual...

  • Page 49: Intel Chipset Software Intallation Utility

    Follow the instructions below to complete the installation under Windows 98SE/ME/2000/XP. 1. Insert the CD that comes with the board. Click Intel Chipsets and then Intel(R) 855/852GME Chipset Family Drivers. 2. Click Intel(R) Chipset Software Installation Utility. MB875 User’s Manual...

  • Page 50: Driver Installation

    6. The Setup process is now complete. Click Finish to restart the computer and for changes to take effect. When the computer has restarted, the system will be able to find some devices. Restart your computer when prompted. MB875 User’s Manual...

  • Page 51: Vga Drivers Installation

    1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855/852GME Chipset Family Drivers. 2. Click Intel(R) 855/852GME Chipset Family Graphics Driver. 3. When the Welcome screen appears, click Next to continue. MB875 User’s Manual...
  • Page 52 DRIVER INSTALLATION 4. Click Yes to to agree with the license agreement and continue the installation. 5. Restart the computer as promted and for changes to take effect. MB875 User’s Manual...

  • Page 53: Ac97 Codec Audio Driver Installation

    2. Click Realtek AC'97 Codec Audio Driver. 3. When the Welcome screen appears, click Next to continue. 4. Set up has finished installing Realtek AC’97 Audio on your computer. Finish to restart the computer and for changes to take effect. MB875 User’s Manual...

  • Page 54: Intel Pro Lan Drivers Installation

    1. Insert the CD that comes with the motherboard. Click LAN Card and then Intel(R) PRO LAN Drivers. 2. Click Install Base Software to continue. 3. When prompted, please to restart the computer for new settings to take effect. MB875 User’s Manual...

  • Page 55: Sata Drivers Installation

    DRIVERS INSTALLATION SATA Drivers Installation To install the SATA drivers, follow the steps below to proceed with the installation. 1. Insert the Windows operating system, go to the Device Manager. Click the Mass Storage Controller. MB875 User’s Manual...
  • Page 56 DRIVER INSTALLATION 2. In the Properties window, click Update Driver. 3. Once in the Welcome screen of the Hardware Update Wizard, select “No, not this time” and click Next. MB875 User’s Manual...
  • Page 57 5. Click Browse to find the location of the drivers. Assuming D: is the drive where the CD drivers is located, the path would be: D:\Sata\SATA\SIL3512\Non-RAID. Click Next to continue 6. The installation process is now complete. Click Finish to close the Hardware Update Wizard. MB875 User’s Manual...

  • Page 58: Appendix

    Parallel Port #1(LPT1) 360 - 36F Network Ports 3B0 - 3BF Monochrome & Printer adapter 3C0 - 3CF EGA adapter 3D0 - 3DF CGA adapter 3F0h - 3F7h Floppy Disk Controller 3F8h - 3FFh Serial Port #1(COM1) MB875 User’s Manual...

  • Page 59: Interrupt Request Lines (Irq)

    Serial Port #2 IRQ4 Serial Port #1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port #1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 PS/2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE MB875 User’s Manual...

  • Page 60: Watchdog Timer Configuration

    ; OUT : None ;[]================================================ Enable_And_Set_Watchdog Proc Near push ;save time interval call Unlock_Chip mov cl, 2Bh call Read_Reg and al, NOT 10h call Write_Reg ;set GP24 as WDTO mov cl, 07h mov al, 08h call Write_Reg ;switch to LD8 MB875 User’s Manual...
  • Page 61 07h mov al, 08h call Write_Reg ;switch to LD8 xor al, al mov cl, 0F6h call Write_Reg ;clear watchdog timer xor al, al mov cl, 30h call Write_Reg ;watchdog disabled call Lock_Chip Disable_Watchdog Endp ;[]=============================================== MB875 User’s Manual...
  • Page 62 ; IN : CL - register index AL - Value to write ; OUT : None ;[]================================================ Write_Reg Proc Near push mov dx, 4Eh mov al,cl out dx,al pop ax inc dx out dx,al Write_Reg Endp ;[]================================================ MB875 User’s Manual...
  • Page 63 ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]================================================= Read_Reg Proc Near Mov al, cl mov dx, 4Eh out dx, al inc dx in al, dx Read_Reg Endp ;[]================================================ MB875 User’s Manual...

  • Page 64: Digital I/O Sample Code

    //===================================================================== #define W627HF_INDEX_PORT (W627_IOBASE+0) #define W627HF_DATA_PORT (W627_IOBASE+1) //===================================================================== #define W627HF_REG_LD 0x07 //===================================================================== #define W627HF_UNLOCK 0x87 #define W627HF_LOCK 0xAA //===================================================================== void Set_W627HF_LD( unsigned char); void Set_W627HF_Reg( unsigned char, unsigned char); unsigned char Get_W627HF_Reg( unsigned char); //===================================================================== #endif //__W627HF_H MB875 User’s Manual...
  • Page 65 Set_W627HF_Reg( unsigned char REG, unsigned char DATA) Unlock_W627HF(); outportb(W627HF_INDEX_PORT, REG); outportb(W627HF_DATA_PORT, DATA); Lock_W627HF(); //===================================================================== unsigned char Get_W627HF_Reg( unsigned char REG) unsigned char Result; Unlock_W627HF(); outportb(W627HF_INDEX_PORT, REG); Result = inportb(W627HF_DATA_PORT); Lock_W627HF(); return Result; //===================================================================== File of the Main.cpp MB875 User’s Manual...
  • Page 66 Set_W627HF_Reg(0xF1, ((ucDO & 0x0F) << 4)); ucBuf = Get_W627HF_Reg(0xF1) & 0x0F; if (ucBuf != ucDI) ucDI = ucBuf; printf("Digital I/O Input Changed. Current Data is 0x%X\n",ucDI); if (kbhit()) getch(); break; delay(500); return 0; //===================================================================== void ClrKbBuf(void) while(kbhit()) getch(); //--------------------------------------------------------------------------- MB875 User’s Manual...
  • Page 67 APPENDIX This page is intentionally left blank. MB875 User’s Manual...

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